ee26abe13e0f5726b5bec0d9383c8c82159754183d95171bba285f563a9074b6

Analysis

max time kernel
9s
max time network
15s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2024, 14:45

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Reason

Machine shutdown

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General

Target

a40d9c14481cd793f843d0ac03561b6f.exe
Size

124KB
MD5

a40d9c14481cd793f843d0ac03561b6f
SHA1

385d7621c4dbd5c9e3987329f18e6d5191d22157
SHA256

ee26abe13e0f5726b5bec0d9383c8c82159754183d95171bba285f563a9074b6
SHA512

076c1da128f6c79bd2c9bf5faf1aac58fcdef5aea99b2da0ee7d585a4e7d09c1db6f3e39e21a56d61c764866d8752ceadd04298670600c3cc9146b13675fd971
SSDEEP

1536:e2NXRZPTPZ6bt3ByPtcZXicC5E2ZTbMrGLURliLFcHo5A4PXHuAkl5zCH:hNLPFuxyoic69b4biLiHo5LWAE5zY

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\cxzoxni.dll	a40d9c14481cd793f843d0ac03561b6f.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "39"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	728	a40d9c14481cd793f843d0ac03561b6f.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2572	LogonUI.exe

C:\Users\Admin\AppData\Local\Temp\a40d9c14481cd793f843d0ac03561b6f.exe
"C:\Users\Admin\AppData\Local\Temp\a40d9c14481cd793f843d0ac03561b6f.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:728

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39a2055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/728-0-0x0000000001000000-0x0000000001020000-memory.dmp

Filesize
128KB

Download
memory/728-2-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/728-1-0x0000000001000000-0x0000000001020000-memory.dmp

Filesize
128KB

Download
memory/728-3-0x0000000001000000-0x0000000001020000-memory.dmp

Filesize
128KB

Download